Home / 87,707,712.80-131,561,569.20-60,497,933.60

Finding the Fourth Proportional to 87,707,712.80, 131,561,569.20 and 60,497,933.60

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Solution

The fourth proportional to 87,707,712.80, 131,561,569.20 and 60,497,933.60 is: 90,746,900.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,707,712.80 : 131,561,569.20 = 60,497,933.60 : x
  2. Step 2: Convert to fraction form
    87,707,712.80/131,561,569.20 = 60,497,933.60/x
  3. Step 3: Cross multiply
    87,707,712.80x = 131,561,569.20 × 60,497,933.60
  4. Step 4: Simplify right side
    87,707,712.80x = 7,959,203,077,773,405
  5. Step 5: Solve for x
    x = 7,959,203,077,773,405/87,707,712.80
  6. Step 6: Final answer
    x = 90,746,900.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.